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Finding the Fourth Proportional to 636,622.50, 954,996.12 and 231,924.72

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Solution

The fourth proportional to 636,622.50, 954,996.12 and 231,924.72 is: 347,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,622.50 : 954,996.12 = 231,924.72 : x
  2. Step 2: Convert to fraction form
    636,622.50/954,996.12 = 231,924.72/x
  3. Step 3: Cross multiply
    636,622.50x = 954,996.12 × 231,924.72
  4. Step 4: Simplify right side
    636,622.50x = 221,487,207,732.09
  5. Step 5: Solve for x
    x = 221,487,207,732.09/636,622.50
  6. Step 6: Final answer
    x = 347,909.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.